Home / 191,054.43-263,391.66-152,423.28

Finding the Fourth Proportional to 191,054.43, 263,391.66 and 152,423.28

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Solution

The fourth proportional to 191,054.43, 263,391.66 and 152,423.28 is: 210,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,054.43 : 263,391.66 = 152,423.28 : x
  2. Step 2: Convert to fraction form
    191,054.43/263,391.66 = 152,423.28/x
  3. Step 3: Cross multiply
    191,054.43x = 263,391.66 × 152,423.28
  4. Step 4: Simplify right side
    191,054.43x = 40,147,020,741.84
  5. Step 5: Solve for x
    x = 40,147,020,741.84/191,054.43
  6. Step 6: Final answer
    x = 210,133.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.